Available. The Phoenix Contact 2891987 is an industrial Ethernet switch designed for robust network connectivity in demanding environments. Part of the FL SWITCH SFN series, this unmanaged switch features six RJ45 ports supporting 10/100/1000 Mbps speeds and two single-mode SC-D fiber optic ports for high-range connectivity up to 10 kilometers. It operates within a wide temperature range of -25°C to 75°C, ensuring reliable performance in various industrial settings. The device is housed in an aluminum enclosure suitable for DIN rail mounting, measuring 50 mm in width, 120 mm in height, and 70 mm in depth. It supports redundant 24 V DC power supply with a voltage range of 9 V DC to 32 V DC, and includes diagnostic LEDs for monitoring supply voltage and link status. The 2891987 is ideal for applications requiring durable and high-performance network infrastructure.